Display substrate including pixel unit groups, display device and display method thereof, and mask plate

1. A display substrate, comprising: a plurality of pixel unit groups arranged in rows, each of the pixel unit groups including: a first-color sub-pixel unit, a ring-shaped second-color sub-pixel unit surrounding the first-color sub-pixel unit, and a ring-shaped third-color sub-pixel unit surrounding the second-color sub-pixel unit, wherein, the first-color sub-pixel, the second-color sub-pixel and the third-color sub-pixel are selected from a red sub-pixel, a blue sub pixel and a green sub-pixel, the plurality of pixel unit groups comprise a first pixel unit group located in an odd row and a second pixel unit group located in an even row; in a direction from inside the pixel unit group to outside the pixel unit group, the first pixel unit group and the second pixel unit group are different in a color arrangement mode of sub-pixel units.

2. The display substrate according to claim 1 , wherein, the first pixel unit group has a blue sub-pixel unit, a green sub-pixel unit and a red sub-pixel unit respectively arranged from inside out;

the second pixel unit group has a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit respectively arranged from inside out.

3. The display substrate according to claim 1 , wherein, the pixel unit groups of adjacent rows are staggered by a width which is equal to half the width of the pixel unit group in a row direction.

4. The display substrate according to claim 1 , wherein, each sub-pixel unit comprises an organic light-emitting layer and at least one anode for driving the organic light-emitting layer to emit light.

5. The display substrate according to claim 4 , wherein, at least one of the sub-pixel units comprises a plurality of anodes independent of one another, and orthogonal projections of the plurality of anodes on the organic light-emitting layer do not overlap one another.

6. The display substrate according to claim 1 , wherein, in at least one of the pixel unit groups,

the first-color sub-pixel unit comprises a first organic light-emitting layer and a first anode for driving the first organic light-emitting layer to emit light;

the second-color sub-pixel unit comprises a second organic light-emitting layer and two second anodes for driving the second organic light-emitting layer to emit light, and the two second anodes are symmetrically distributed with respect to a first central line of the pixel unit group.

7. The display substrate according to claim 6 , wherein,

the third-color sub-pixel unit comprises a third organic light-emitting layer and two third anodes for driving the third organic light-emitting layer to emit light, and the two third anodes are symmetrically distributed with respect to the first central line.

8. A display substrate, comprising: a plurality of pixel unit groups arranged in rows, each of the pixel unit groups including: a first-color sub-pixel unit, and a ring shaped second-color sub-pixel unit surrounding the first-color sub-pixel unit, wherein, in at least one of the pixel unit groups,

the first-color sub-pixel unit comprises a first organic light-emitting layer and a first anode for driving the first organic light-emitting layer to emit light;

the second-color sub-pixel unit comprises a second organic light-emitting layer and four second anodes for driving the second organic light-emitting layer to emit light, the four second anodes are symmetrically distributed with respect to the first central line of the pixel unit group, and symmetrically distributed with respect to a second central line of the pixel unit group, and the second central line is perpendicular to the first central line.

9. The display substrate according to claim 8 , wherein, the at least one of the pixel unit groups further comprises: a ring-shaped third-color sub-pixel unit surrounding the second-color sub-pixel unit,

the third-color sub-pixel unit comprises a third organic light-emitting layer and four third anodes for driving the third organic light-emitting layer to emit light, and the four third anodes are symmetrically distributed with respect to the first central line, and symmetrically distributed with respect to the second central line.

10. A display substrate, comprising: a plurality of pixel unit groups arranged in rows, each of the pixel unit wows including: a first-color sub-pixel unit, and a ring-shaped second-color sub-pixel unit surrounding the first-color sub-pixel unit, wherein, in at least one of the pixel unit groups,

the first-color sub-pixel unit comprises a first organic light-emitting layer and two first anodes for driving the first organic light-emitting layer to emit light, the two first anodes are symmetrically distributed with respect to a first central line of the pixel unit group;

the second-color sub-pixel unit comprises a second organic light-emitting layer and four second anodes for driving the second organic light-emitting layer to emit light, the four second anodes are symmetrically distributed with respect to a first central line of the pixel unit group, and are symmetrically distributed with respect to a second central line of the pixel unit group, the second central line is perpendicular to the first central line.

11. The display substrate according to claim 10 , wherein, the at least one of the pixel unit groups further comprises: a ring-shaped third-color sub-pixel unit surrounding the second-color sub-pixel unit,

the third-color sub-pixel unit comprises a third organic light-emitting layer and four third anodes for driving the third organic light-emitting layer to emit light, and the four third anodes are symmetrically distributed with respect to the first central line, and are symmetrically distributed with respect to the second central line.

12. A display device, comprising the display substrate according to claim 1 .

13. A display method of a display device, the display device comprising the display substrate according to claim 7 , the display method comprising:

taking a first anode and a second anode closest to each other in the at least one of the pixel unit groups as one sub-pixel unit group for displaying; or taking a first anode, a second anode and a third anode closest to one another in the at least one of the pixel unit groups as one sub-pixel unit group for displaying.

14. A mask plate, for fabricating the display substrate according to claim 1 , the mask plate comprising a plurality of mask plate patterns arranged in rows, each one of the mask plate patterns including a first opening portion for evaporating an organic light-emitting layer of the first-color sub-pixel unit, a second opening portion for evaporating an organic light-emitting layer of the second-color sub-pixel unit, and a third opening portion for evaporating an organic light-emitting layer of the third-color sub-pixel unit.

15. The display substrate according to claim 1 , wherein, in a plan view of the display substrate, the first-color sub-pixel unit has a block shape.

16. The display substrate according to claim 1 , wherein, die first-color sub-pixel unit has a hexagonal shape, the second-color sub-pixel unit has a hexagonal ring shape, and the third-color sub-pixel unit has a hexagonal ring shape; or the first-color sub-pixel unit has a circular shape, the second-color sub-pixel unit has a circular ring shape, and the third-color sub-pixel unit has a circular ring shape; or die first-color sub-pixel unit has a diamond shape, the second-color sub-pixel unit has a diamond ring shape, and the third-color sub-pixel unit has a diamond ring shape; or the first-color sub-pixel unit has a square shape, the second-color subpixel unit has a square ring shape, and die third-color sub-pixel unit has a square ring shape.